OpenStax, Precalculus 2e §7.5 Solving Trigonometric Equations · Exercise 106 · Trigonometry · Identities
Solving Trigonometric Equations · Exercise 106
Find a solution to the word problem algebraically. Then use a calculator to verify the result. Round the answer to the nearest tenth of a degree.
A 23-foot ladder is positioned next to a house. If the ladder slips at 7 feet from the house when there is not enough traction, what angle should the ladder make with the ground to avoid slipping?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Precalculus 2e · §7.5 Solving Trigonometric Equations · Exercise 106
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